The SSN3EGS211 is a GE service processing board, The SSN3EGS211 can be used on OSN 1500B, OSN 2500, OSN 3500, OSN 7500 equipment to transmit and receive Ethernet services, manage bandwidths, and realize Layer 2 switching of Ethernet services

1000BASE-LX (10 km)

Basic Functions

Processes 2xGE services.

Alarms and Performance Events

Reports various alarms and performance events, which facilitates the management and maintenance of the equipment.

ETH OAM: N2EGS2 boards do not support the ETH OAM function.
N3EGS2 boards support CC, LB tests, and LT tests in compliance with IEEE 802.1ag, LM and DM in compliance with ITU-T Y.1731, and OAM ping in compliance with Huawei proprietary protocol.
N3EGS2 boards support OAM auto-discovery, remote loopbacks, fault detection, and link performance detection in compliance with IEEE 802.3ah, and selfloop detection in compliance with Huawei proprietary protocol.
Test Frame: Supports test frames in Ethernet bearer mode.
Response to ping: Not supported
Port mirroring: N3EGS2 boards support ingress mirroring.
RMON: Supports Ethernet performance monitoring at the port level.
Warm resets: N2EGS2/N3EGS2 boards support warm resets. If a warm reset is performed on an N2EGS2 board, traffic on the board is interrupted, whereas if a warm reset is performed on an N3EGS2 board, traffic on the board is not interrupted. If an N3EGS2 board substitutes for an N2EGS2 board, traffic on the N3EGS2 board is not interrupted.
Cold resets: supported

VCTRUNKs

Number of supported VCTRUNKs: 48.
Configuration principles are as follows:.
In the case of N2EGS2 boards, VCTRUNK 1–VCTRUNK 12 can be bound only with lower order paths in VC-4s numbered 1–4. VCTRUNK 13–VCTRUNK 24 can be bound only with lower order paths in VC-4s numbered 5–8. VCTRUNK 25–VCTRUNK 36 can be bound only with lower order paths in VC-4s numbered 9–12. VCTRUNK 37–VCTRUNK 48 can be bound only with lower order paths in VC-4s numbered 13–16..
In the case of N3EGS2 boards, there is no requirement regarding VCTRUNK binding. One VCTRUNK can be bound with up to 24 VC-3s.
VC-4s numbered 4, 8, 12, and 16 support the binding of VC-3 and VC-12 paths. The other VC-4s support the binding of VC-3 paths only..
A VC-4 cannot be bound with VC-3 and VC-12 paths at the same time.

EPL service: Supports PORT-based transparent transmission.
EVPL service: Supports PORT-shared EVPL services.
Supports VCTRUNK-shared EVPL services.
The services are isolated by VLAN tags.
The services are isolated by MPLS tags.
The services are isolated by QinQ tags.
Supports a maximum of 4096 links.
EPLAN service: Supports the blacklist that can contain 2K records and also the static MAC address table that can contain 2K records. The sum of the number of records in the blacklist and the number of addresses in the static MAC address table must not exceed 2K. The blacklist function of N3EGS2 boards supports verification of destination MAC addresses only.
Supports the self-learning of the source MAC address. The capacity of the MAC address table is 16K. The aging time of the MAC address can be set and queried.
Supports the configuration of static MAC routes.
The maximum number of supported VBs is 2. The maximum number of logical ports for each VB is 30.
N3EGS2 supports the EPLAN services that are based on the IEEE 802.1d MAC bridge.
EVPLAN services: Supports data isolation based on VB+VLAN.
Supports the setting of a maximum of 4096 VLAN services.
Supports the EVPLAN services that are based on the IEEE 802.1q virtual bridge.

SSND00EGS212 boards support 1000BASE-SX/LX/ZX/VX Ethernet optical ports. The optical ports support the auto-negotiation function in compliance with IEEE 802.3z. The optical ports use SFP optical modules and support hot swapping. When the multi-mode optical fiber is used, the maximum transmission distance is 550 m. When the single-mode optical fiber is used, the maximum transmission distance is 10 km. The optical modules that can meet different requirements for the transmission distance such as 40 km and 80 km can also be used.
N3EGS2 boards also support 1000BASE-T RJ-45 Ethernet electrical ports. The electrical ports support the auto-negotiation function. The negotiated rate can be 10 Mbit/s, 100 Mbit/s, or 1000 Mbit/s. N3EGS2 boards support SFP electrical ports and hot swapping. The maximum transmission distance is 100 m.

ETH OAM: N2EGS2 boards do not support the ETH OAM function.
N3EGS2 boards support CC, LB tests, and LT tests in compliance with IEEE 802.1ag, LM and DM in compliance with ITU-T Y.1731, and OAM ping in compliance with Huawei proprietary protocol.
N3EGS2 boards support OAM auto-discovery, remote loopbacks, fault detection, and link performance detection in compliance with IEEE 802.3ah, and selfloop detection in compliance with Huawei proprietary protocol.
Test Frame: Supports test frames in Ethernet bearer mode.
Response to ping: Not supported
Port mirroring: N3EGS2 boards support ingress mirroring.
RMON: Supports Ethernet performance monitoring at the port level.
Warm resets: N2EGS2/N3EGS2 boards support warm resets. If a warm reset is performed on an N2EGS2 board, traffic on the board is interrupted, whereas if a warm reset is performed on an N3EGS2 board, traffic on the board is not interrupted. If an N3EGS2 board substitutes for an N2EGS2 board, traffic on the N3EGS2 board is not interrupted.
Cold resets: supported

VCTRUNKs

Number of supported VCTRUNKs: 48.
Configuration principles are as follows:.
In the case of N2EGS2 boards, VCTRUNK 1–VCTRUNK 12 can be bound only with lower order paths in VC-4s numbered 1–4. VCTRUNK 13–VCTRUNK 24 can be bound only with lower order paths in VC-4s numbered 5–8. VCTRUNK 25–VCTRUNK 36 can be bound only with lower order paths in VC-4s numbered 9–12. VCTRUNK 37–VCTRUNK 48 can be bound only with lower order paths in VC-4s numbered 13–16..
In the case of N3EGS2 boards, there is no requirement regarding VCTRUNK binding. One VCTRUNK can be bound with up to 24 VC-3s.
VC-4s numbered 4, 8, 12, and 16 support the binding of VC-3 and VC-12 paths. The other VC-4s support the binding of VC-3 paths only..
A VC-4 cannot be bound with VC-3 and VC-12 paths at the same time.

EPL service: Supports PORT-based transparent transmission.
EVPL service: Supports PORT-shared EVPL services.
Supports VCTRUNK-shared EVPL services.
The services are isolated by VLAN tags.
The services are isolated by MPLS tags.
The services are isolated by QinQ tags.
Supports a maximum of 4096 links.
EPLAN service: Supports the blacklist that can contain 2K records and also the static MAC address table that can contain 2K records. The sum of the number of records in the blacklist and the number of addresses in the static MAC address table must not exceed 2K. The blacklist function of N3EGS2 boards supports verification of destination MAC addresses only.
Supports the self-learning of the source MAC address. The capacity of the MAC address table is 16K. The aging time of the MAC address can be set and queried.
Supports the configuration of static MAC routes.
The maximum number of supported VBs is 2. The maximum number of logical ports for each VB is 30.
N3EGS2 supports the EPLAN services that are based on the IEEE 802.1d MAC bridge.
EVPLAN services: Supports data isolation based on VB+VLAN.
Supports the setting of a maximum of 4096 VLAN services.
Supports the EVPLAN services that are based on the IEEE 802.1q virtual bridge.

SSND00EGS212 boards support 1000BASE-SX/LX/ZX/VX Ethernet optical ports. The optical ports support the auto-negotiation function in compliance with IEEE 802.3z. The optical ports use SFP optical modules and support hot swapping. When the multi-mode optical fiber is used, the maximum transmission distance is 550 m. When the single-mode optical fiber is used, the maximum transmission distance is 10 km. The optical modules that can meet different requirements for the transmission distance such as 40 km and 80 km can also be used.
N3EGS2 boards also support 1000BASE-T RJ-45 Ethernet electrical ports. The electrical ports support the auto-negotiation function. The negotiated rate can be 10 Mbit/s, 100 Mbit/s, or 1000 Mbit/s. N3EGS2 boards support SFP electrical ports and hot swapping. The maximum transmission distance is 100 m.

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